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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Amount of blood pumped by a ventricle per beat
medial to the lungs and superior to the diaphragm
systole
vagus nerves
stroke volume
2. Vessel into which the left ventricle pumps blood
aorta
tricuspid valve
sodium ions and water
SA node
3. Changes in blood pressure are detected by
stroke volume
pressoreceptors in teh carotid and aortic sinuses
epicardium
SA node
4. Heart is located here
pressoreceptors in teh carotid and aortic sinuses
medial to the lungs and superior to the diaphragm
endocardium
systole
5. The amount of blood that returns to teh heart
bicuspid valve
mediastinum
superior and inferior caval veins
venous return
6. Prevents backflow of blood from the left ventricle to the left atrium
fibrous epicardium
stroke volume
sodium ions and water
bicuspid valve
7. Normal heart sounds are caused by
mediastinum
closure of the valves
medial to the lungs and superior to the diaphragm
coronary arteries
8. Difference between resting cardiac output adn maximum exercise cardiac output
bradycardia
vagus nerves
cardiac reserve
aortic and pulmonary semilunar valves
9. Outermost of the pericardial membranes
fibrous epicardium
stroke volume
sodium ions and water
aorta
10. Very rapid and uncoordinated ventricular beat
ischemia
cardiac cycle
fibrullation
vagus nerves
11. Backflow o fblood from the arteries to the ventricles is prevented by these
SA node
aortic and pulmonary semilunar valves
pressoreceptors in teh carotid and aortic sinuses
medulla
12. Part of the myocardium is deprived of its blood supply and becomes ______
ECG
aortic and pulmonary semilunar valves
ischemia
systole
13. Natural pacemaker of the heart
stenosis...
bradycardia
SA node
myocardium
14. Heart chambers are lined with this
endocardium
closure of the valves
arrhythmias
prevent friction as the heart beats
15. Cardiac muscle tissue
prevent friction as the heart beats
fibrullation
myocardium
systole
16. Contraction of chambers of the heart
systole
diastole
coronary arteries
pressoreceptors in teh carotid and aortic sinuses
17. Prevents backflow of blood from teh right ventricle to the right atrium
superior and inferior caval veins
tricuspid valve
bradycardia
epicardium
18. Each normal heartbeat is initiated by this
SA node
prevent friction as the heart beats
stenosis...
aortic and pulmonary semilunar valves
19. First part of the cardia conduction pathway in teh ventircles
bundle of His...
cardiac output
sodium ions and water
systole
20. Relaxation of chambers of the heart
diastole
bundle of His...
sodium ions and water
systole
21. The chambers of teh heart that receive blood from the veins
tricuspid valve
arrhythmias
superior and inferior caval veins
right and left atria
22. Funciton of the serous fluid of teh pericardial membranes
myocardium
SA node
prevent friction as the heart beats
fibrous epicardium
23. 1st branches of teh ascending aorta
epicardium
bicuspid valve
stroke volume
coronary arteries
24. Largest artery of the body
aorta
cardiac output
systole
fibrullation
25. Heart rate below 60 bpm
bradycardia
myocardium
SA node
arrhythmias
26. Nerves that transmit impulses to decrease the heart rate are the ____
diastole
vagus nerves
systole
epicardium
27. Upper chamber of the heart
tricuspid valve
atrium
aorta
aortic and pulmonary semilunar valves
28. Electical activity of the heart may be depicted in an
ECG
coronary veins
SA node
cardiac reserve
29. Area in the thoracic cavity between the lungs
closure of the valves
mediastinum
sodium ions and water
ECG
30. Coronary sinus receives blood directly from this
epicardium
coronary veins
vagus nerves
fibrullation
31. Relaxation
cardiac cycle
diastole
medulla
aorta
32. Veins that return blood to the right atrium
superior and inferior caval veins
fibrous epicardium
endocardium
aortic and pulmonary semilunar valves
33. Normal range of heart rate for a healthy adult is _____ bpm
bundle of His...
medial to the lungs and superior to the diaphragm
60-80
right and left atria
34. Purpose of teh coronary vessels
cardiac output
aorta
supply the heart with oxygenated blood
ischemia
35. Sequence of events in one heartbeat
tricuspid valve
cardiac cycle
fibrullation
right and left atria
36. Contraction
systole
60-80
sodium ions and water
bicuspid valve
37. Narrowing of a valve
stenosis...
SA node
bradycardia
atrium
38. Endocardium lines the chambers of the heart
prevent friction as the heart beats
is smooth to prevent abnormal clotting within the heart
mediastinum
superior and inferior caval veins
39. Visceral pericardium
60-80
tricuspid valve
SA node
epicardium
40. Irregular heartbeats
cardiac cycle
bundle of His...
arrhythmias
sodium ions and water
41. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
systole
sodium ions and water
diastole
stenosis...
42. Amount of blood pumped by a ventricle in 1 minute
coronary veins
bicuspid valve
SA node
cardiac output
43. The centers that regulate heart rate located in the___
coronary arteries
systole
medulla
aortic and pulmonary semilunar valves